:root {
      --bg: #0f1010;
      --dark: #191a1a;
      --dark-2: #252626;
      --card: #2d2e2e;
      --card-soft: #343535;
      --yellow: #ffc20f;
      --yellow-2: #e4a900;
      --white: #f7f7f2;
      --silver: #c9c9c3;
      --muted: #a4a5a0;
      --line: rgba(255, 255, 255, .11);
      --black-line: rgba(0, 0, 0, .28);
      --shadow: 0 32px 90px rgba(0,0,0,.34);
      --radius-xl: 34px;
      --radius-lg: 22px;
      --radius-md: 15px;
      --max: 1180px;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      color: var(--white);
      background:
        radial-gradient(circle at 12% -5%, rgba(255,194,15,.18), transparent 34rem),
        radial-gradient(circle at 90% 12%, rgba(255,194,15,.09), transparent 30rem),
        linear-gradient(180deg, #101111 0%, #171818 45%, #0f1010 100%);
      line-height: 1.55;
      overflow-x: hidden;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: -1;
      background:
        linear-gradient(120deg, rgba(255,255,255,.035) 0 1px, transparent 1px 22px),
        linear-gradient(90deg, rgba(255,194,15,.035) 0 1px, transparent 1px 72px);
      background-size: 64px 64px, 92px 92px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,.68), transparent 74%);
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    .progress {
      position: fixed;
      top: 0;
      left: 0;
      height: 3px;
      width: 0%;
      background: linear-gradient(90deg, var(--yellow), #ffffff);
      z-index: 1000;
    }

    .container {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }

    .nav {
      position: sticky;
      top: 0;
      z-index: 999;
      background: rgba(15, 16, 16, .72);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--line);
      transition: background .25s ease, box-shadow .25s ease;
    }

    .nav.scrolled {
      background: rgba(15, 16, 16, .93);
      box-shadow: 0 18px 44px rgba(0,0,0,.32);
    }

    .nav-inner {
      height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: flex;
      align-items: center;
      gap: 14px;
      min-width: 0;
    }

    .brand img {
      width: 160px;
      height: auto;
      display: block;
      filter: drop-shadow(0 12px 30px rgba(0,0,0,.32));
    }

    .brand-sub {
      display: block;
      color: var(--muted);
      font-size: 12px;
      font-weight: 750;
      letter-spacing: .04em;
      text-transform: uppercase;
      margin-top: 2px;
      border-left: 1px solid var(--line);
      padding-left: 14px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 24px;
      color: var(--silver);
      font-size: 14px;
      font-weight: 800;
    }

    .nav-links a {
      opacity: .78;
      transition: opacity .2s ease, color .2s ease;
    }

    .nav-links a:hover {
      opacity: 1;
      color: var(--yellow);
    }

    .btn {
      min-height: 49px;
      padding: 13px 19px;
      border-radius: 999px;
      border: 1px solid transparent;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      font-size: 14px;
      font-weight: 950;
      letter-spacing: -.01em;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      white-space: nowrap;
    }

    .btn:hover {
      transform: translateY(-2px);
    }

    .btn-primary {
      color: #151515;
      background: linear-gradient(135deg, var(--yellow), var(--yellow-2));
      box-shadow: 0 20px 44px rgba(255, 194, 15, .24);
    }

    .btn-primary:hover {
      box-shadow: 0 24px 54px rgba(255, 194, 15, .34);
    }

    .btn-secondary {
      color: var(--white);
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.16);
    }

    .btn-secondary:hover {
      background: rgba(255,255,255,.10);
      border-color: rgba(255,255,255,.28);
    }

    .hero {
      position: relative;
      padding: 86px 0 56px;
      overflow: hidden;
    }

    .hero::before {
      content: "COLLIS";
      position: absolute;
      right: -52px;
      top: 20px;
      font-size: clamp(84px, 16vw, 240px);
      font-weight: 1000;
      letter-spacing: -.09em;
      line-height: .8;
      color: rgba(255,255,255,.035);
      pointer-events: none;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(380px, .86fr);
      gap: 58px;
      align-items: center;
      position: relative;
      z-index: 2;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 8px 12px;
      border: 1px solid rgba(255,194,15,.26);
      border-radius: 999px;
      background: rgba(255,194,15,.08);
      color: var(--yellow);
      font-size: 13px;
      font-weight: 950;
      margin-bottom: 22px;
      text-transform: uppercase;
      letter-spacing: .04em;
    }

    .eyebrow::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 999px;
      background: var(--yellow);
      box-shadow: 0 0 0 6px rgba(255,194,15,.14);
    }

    h1, h2, h3 {
      letter-spacing: -.057em;
      line-height: 1.02;
    }

    h1 {
      max-width: 850px;
      font-size: clamp(45px, 6.8vw, 86px);
    }

    h1 span {
      color: var(--yellow);
    }

    .hero-text {
      max-width: 665px;
      margin: 24px 0 30px;
      color: var(--silver);
      font-size: clamp(18px, 2vw, 21px);
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 26px;
    }

    .trust {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      color: var(--silver);
      font-size: 14px;
      font-weight: 850;
    }

    .trust span {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 9px 12px;
      border-radius: 999px;
      background: rgba(255,255,255,.06);
      border: 1px solid var(--line);
    }

    .hero-visual {
      position: relative;
      min-height: 590px;
      border-radius: 42px;
      overflow: hidden;
      background:
        radial-gradient(circle at 62% 18%, rgba(255,194,15,.48), transparent 16rem),
        linear-gradient(135deg, #303131 0%, #181919 58%, #070707 100%);
      box-shadow: var(--shadow);
      isolation: isolate;
      transform: rotate(1deg);
      border: 1px solid rgba(255,255,255,.09);
    }

    .hero-visual::before {
      content: "";
      position: absolute;
      inset: 28px;
      border-radius: 32px;
      border: 1px solid rgba(255,255,255,.14);
      z-index: 3;
      pointer-events: none;
    }

    .shield {
      position: absolute;
      left: 50%;
      top: 43%;
      width: 260px;
      height: 300px;
      transform: translate(-50%, -50%);
      background: linear-gradient(180deg, rgba(255,194,15,.2), rgba(255,194,15,.03));
      border: 8px solid var(--yellow);
      clip-path: polygon(50% 0%, 88% 16%, 88% 62%, 50% 100%, 12% 62%, 12% 16%);
      filter: drop-shadow(0 42px 70px rgba(0,0,0,.38));
      opacity: .95;
    }

    .shield::after {
      content: "";
      position: absolute;
      inset: 30px;
      clip-path: polygon(50% 0%, 88% 16%, 88% 62%, 50% 100%, 12% 62%, 12% 16%);
      border: 2px solid rgba(255,255,255,.22);
    }

    .dumbbell {
      position: absolute;
      left: 50%;
      top: 38%;
      width: 410px;
      height: 16px;
      border-radius: 999px;
      transform: translateX(-50%) rotate(-4deg);
      background: linear-gradient(180deg, #ffffff, #a9aaa6);
      box-shadow: 0 28px 58px rgba(0,0,0,.34);
      z-index: 2;
    }

    .dumbbell::before,
    .dumbbell::after {
      content: "";
      position: absolute;
      top: 50%;
      width: 44px;
      height: 92px;
      transform: translateY(-50%);
      border-radius: 12px;
      background: linear-gradient(180deg, #f3f3ee, #8c8e89);
      box-shadow:
        -16px 0 0 #f0f0eb,
        16px 0 0 #777a74;
    }

    .dumbbell::before { left: -22px; }
    .dumbbell::after { right: -22px; }

    .visual-card {
      position: absolute;
      left: 30px;
      right: 30px;
      bottom: 30px;
      z-index: 4;
      padding: 19px;
      border-radius: 24px;
      background: rgba(10,10,10,.72);
      border: 1px solid rgba(255,255,255,.12);
      backdrop-filter: blur(14px);
    }

    .visual-card strong {
      display: block;
      font-size: 19px;
      letter-spacing: -.02em;
      margin-bottom: 5px;
    }

    .visual-card small {
      display: block;
      color: var(--muted);
      line-height: 1.38;
    }

    .diagonal {
      position: absolute;
      width: 420px;
      height: 90px;
      background: rgba(255,194,15,.08);
      transform: rotate(-32deg);
      right: -90px;
      bottom: 110px;
      border-top: 1px solid rgba(255,194,15,.22);
      border-bottom: 1px solid rgba(255,194,15,.22);
    }

    section {
      padding: 74px 0;
    }

    .section-head {
      display: flex;
      justify-content: space-between;
      align-items: end;
      gap: 30px;
      margin-bottom: 34px;
    }

    .section-kicker {
      color: var(--yellow);
      text-transform: uppercase;
      letter-spacing: .14em;
      font-size: 12px;
      font-weight: 1000;
      margin-bottom: 10px;
    }

    h2 {
      max-width: 820px;
      font-size: clamp(34px, 4.3vw, 60px);
    }

    .section-description {
      max-width: 430px;
      color: var(--muted);
      font-size: 16px;
    }

    .proof-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .proof-card,
    .feature-card,
    .routine-card,
    .testimonial,
    .location-card,
    .photo-card {
      border: 1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.035));
      border-radius: var(--radius-lg);
      box-shadow: 0 22px 54px rgba(0,0,0,.16);
    }

    .proof-card {
      min-height: 150px;
      padding: 24px;
      position: relative;
      overflow: hidden;
    }

    .proof-card::after {
      content: "";
      position: absolute;
      width: 82px;
      height: 82px;
      right: -18px;
      top: -20px;
      border-radius: 999px;
      background: rgba(255,194,15,.09);
    }

    .proof-card strong {
      display: block;
      color: var(--yellow);
      font-size: 33px;
      letter-spacing: -.055em;
      margin-bottom: 7px;
    }

    .proof-card span {
      color: var(--silver);
      font-weight: 760;
    }

    .split-dark {
      width: min(calc(100% - 32px), 1280px);
      margin: 44px auto 0;
      border-radius: 44px;
      overflow: hidden;
      background:
        radial-gradient(circle at 86% 18%, rgba(255,194,15,.19), transparent 26rem),
        linear-gradient(135deg, #252626, #131414);
      border: 1px solid rgba(255,255,255,.08);
      box-shadow: var(--shadow);
    }

    .split-dark .container {
      padding: 78px 0;
    }

    .feature-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .feature-card {
      padding: 26px;
      transition: transform .22s ease, border-color .22s ease, background .22s ease;
    }

    .feature-card:hover {
      transform: translateY(-5px);
      border-color: rgba(255,194,15,.34);
      background: linear-gradient(180deg, rgba(255,194,15,.09), rgba(255,255,255,.035));
    }

    .icon {
      width: 49px;
      height: 49px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #151515;
      background: var(--yellow);
      font-weight: 1000;
      margin-bottom: 18px;
      box-shadow: 0 15px 34px rgba(255,194,15,.18);
    }

    .feature-card h3 {
      font-size: 24px;
      margin-bottom: 10px;
    }

    .feature-card p {
      color: var(--muted);
      font-size: 15px;
    }

    .routine-layout {
      display: grid;
      grid-template-columns: .92fr 1.08fr;
      gap: 22px;
      align-items: stretch;
    }

    .routine-card {
      padding: 32px;
    }

    .routine-card h3 {
      font-size: 37px;
      margin-bottom: 14px;
    }

    .routine-card p {
      color: var(--muted);
      margin-bottom: 23px;
    }

    .steps {
      display: grid;
      gap: 12px;
    }

    .step {
      display: grid;
      grid-template-columns: 46px 1fr;
      gap: 15px;
      align-items: start;
      padding: 17px;
      border-radius: 18px;
      background: rgba(255,255,255,.045);
      border: 1px solid var(--line);
    }

    .step span {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      display: grid;
      place-items: center;
      background: var(--yellow);
      color: #111;
      font-weight: 1000;
    }

    .step strong {
      display: block;
      letter-spacing: -.02em;
      margin-bottom: 4px;
    }

    .step small {
      display: block;
      color: var(--muted);
      line-height: 1.35;
      font-weight: 650;
      font-size: 14px;
    }

    .photo-grid {
      display: grid;
      grid-template-columns: 1.15fr .85fr .85fr;
      gap: 16px;
      min-height: 470px;
    }

    .photo-card {
      position: relative;
      overflow: hidden;
      min-height: 220px;
      background:
        linear-gradient(180deg, rgba(0,0,0,0) 18%, rgba(0,0,0,.66)),
        linear-gradient(135deg, #3a3b3b, #111);
    }

    .photo-card.large {
      grid-row: span 2;
    }

    .photo-card:nth-child(2) {
      background: linear-gradient(180deg, rgba(0,0,0,0) 18%, rgba(0,0,0,.66)), linear-gradient(135deg, #ffc20f, #343535);
    }

    .photo-card:nth-child(3) {
      background: linear-gradient(180deg, rgba(0,0,0,0) 18%, rgba(0,0,0,.66)), linear-gradient(135deg, #505151, #181818);
    }

    .photo-card:nth-child(4) {
      background: linear-gradient(180deg, rgba(0,0,0,0) 18%, rgba(0,0,0,.66)), linear-gradient(135deg, #232323, #c9c9c3);
    }

    .photo-card:nth-child(5) {
      background: linear-gradient(180deg, rgba(0,0,0,0) 18%, rgba(0,0,0,.66)), linear-gradient(135deg, #171717, #ffc20f);
    }

    .photo-card::before {
      content: "";
      position: absolute;
      inset: 22px;
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 18px;
      z-index: 1;
    }

    .photo-card::after {
      content: "";
      position: absolute;
      width: 190px;
      height: 22px;
      background: rgba(255,194,15,.48);
      right: -34px;
      top: 36px;
      transform: rotate(-28deg);
    }

    .photo-card span {
      position: absolute;
      left: 22px;
      right: 22px;
      bottom: 20px;
      z-index: 2;
      font-weight: 950;
      text-shadow: 0 14px 30px rgba(0,0,0,.4);
    }

    .testimonials-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }

    .testimonial {
      padding: 27px;
    }

    .stars {
      color: var(--yellow);
      letter-spacing: .08em;
      font-size: 14px;
      margin-bottom: 14px;
    }

    .testimonial p {
      color: var(--silver);
      font-size: 18px;
      letter-spacing: -.02em;
      margin-bottom: 18px;
    }

    .testimonial small {
      color: var(--muted);
      font-weight: 820;
    }

    .location-grid {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 22px;
      align-items: stretch;
    }

    .location-card {
      padding: 32px;
    }

    .location-card h3 {
      font-size: 37px;
      margin-bottom: 14px;
    }

    .location-card p {
      color: var(--muted);
      margin-bottom: 23px;
    }

    .map-placeholder {
      min-height: 400px;
      border-radius: 30px;
      overflow: hidden;
      position: relative;
      border: 1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(255,255,255,.07) 1px, transparent 1px),
        linear-gradient(rgba(255,255,255,.07) 1px, transparent 1px),
        #2b2c2c;
      background-size: 48px 48px;
      box-shadow: 0 24px 60px rgba(0,0,0,.18);
    }

    .map-pin {
      position: absolute;
      left: 50%;
      top: 48%;
      transform: translate(-50%, -50%);
      padding: 15px 18px;
      border-radius: 999px;
      color: #151515;
      background: var(--yellow);
      font-weight: 1000;
      box-shadow: 0 24px 52px rgba(255,194,15,.24);
    }

    .cta-final {
      padding-bottom: 96px;
    }

    .cta-box {
      text-align: center;
      position: relative;
      overflow: hidden;
      padding: clamp(36px, 7vw, 76px);
      border-radius: 42px;
      background:
        radial-gradient(circle at 82% 18%, rgba(255,194,15,.34), transparent 23rem),
        linear-gradient(135deg, #2c2d2d, #111);
      border: 1px solid rgba(255,255,255,.09);
      box-shadow: var(--shadow);
    }

    .cta-box::before {
      content: "TREINE";
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      font-size: clamp(78px, 16vw, 210px);
      font-weight: 1000;
      letter-spacing: -.08em;
      color: rgba(255,255,255,.035);
      pointer-events: none;
    }

    .cta-box > * {
      position: relative;
      z-index: 2;
    }

    .cta-box h2 {
      margin-inline: auto;
    }

    .cta-box p {
      max-width: 660px;
      margin: 18px auto 28px;
      color: var(--muted);
      font-size: 18px;
    }

    .footer {
      padding: 32px 0 100px;
      color: var(--muted);
      border-top: 1px solid var(--line);
      font-size: 14px;
    }

    .footer-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    .sticky-mobile {
      position: fixed;
      left: 14px;
      right: 14px;
      bottom: 14px;
      z-index: 998;
      display: none;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      padding: 10px;
      border-radius: 22px;
      background: rgba(20,20,20,.86);
      border: 1px solid var(--line);
      backdrop-filter: blur(16px);
      box-shadow: 0 20px 56px rgba(0,0,0,.34);
    }

    .sticky-mobile .btn {
      width: 100%;
      min-height: 48px;
      font-size: 13px;
      padding-inline: 12px;
    }

    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity .75s ease, transform .75s ease;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 980px) {
      .nav-links {
        display: none;
      }

      .brand-sub {
        display: none;
      }

      .hero {
        padding-top: 54px;
      }

      .hero-grid,
      .routine-layout,
      .location-grid {
        grid-template-columns: 1fr;
      }

      .hero-visual {
        min-height: 500px;
        transform: rotate(0);
      }

      .proof-grid,
      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .photo-grid {
        grid-template-columns: 1fr 1fr;
      }

      .photo-card.large {
        grid-row: span 1;
      }

      .testimonials-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 640px) {
      .container {
        width: min(100% - 28px, var(--max));
      }

      .nav-inner {
        height: 68px;
      }

      .brand img {
        width: 130px;
      }

      .nav .btn {
        display: none;
      }

      .hero {
        padding: 38px 0 28px;
      }

      .hero-actions {
        display: grid;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .trust span {
        width: 100%;
        justify-content: center;
      }

      .hero-visual {
        min-height: 390px;
        border-radius: 30px;
      }

      .shield {
        width: 190px;
        height: 220px;
      }

      .dumbbell {
        width: 300px;
        top: 36%;
      }

      .dumbbell::before,
      .dumbbell::after {
        width: 34px;
        height: 72px;
      }

      .visual-card {
        left: 18px;
        right: 18px;
        bottom: 18px;
      }

      section {
        padding: 54px 0;
      }

      .split-dark {
        width: min(calc(100% - 20px), 1280px);
        border-radius: 30px;
      }

      .split-dark .container {
        padding: 56px 0;
      }

      .section-head {
        display: block;
      }

      .section-description {
        margin-top: 14px;
      }

      .proof-grid,
      .feature-grid,
      .photo-grid {
        grid-template-columns: 1fr;
      }

      .proof-card {
        min-height: auto;
      }

      .sticky-mobile {
        display: grid;
      }

      .footer {
        padding-bottom: 116px;
      }
    }
